Examine source code of B-amooz Dictionary

{
  "manifest_version": 2,
  "name": "!B-amooz Dictionary",
  "description": "Translate selected text using B-amooz Dictionary",
  "version": "1.2",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "contextMenus",
    "activeTab",
    "<all_urls>"
  ],
  "icons": {
    "16": "dictionary.png",
    "48": "dictionary.png",
    "128": "dictionary.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sora.attempt170@passinbox.com",
      "strict_min_version": "58.0"
    }
  }
}